Aquarium filter

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Information

Patent Grant
D246793

References
Source

Patent Number
D246,793
Date Filed
Thursday, September 30, 1976
48 years ago
Date Issued
Tuesday, December 27, 1977
47 years ago

Inventors
Original Assignees
- Penn-Plax Plastics, Inc.
Examiners
- Largen; James R.
Agents
- Mandeville; Hubert T.

US Classifications
- D23 - Environmental heating and cooling
Field of Search
- US
- D23 4
- 210 169
International Classifications
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for an aquarium filter, substantially as shown and described.

US Referenced Citations (9)

Number	Name	Date	Kind
D174482	Willinger et al.	Apr 1955
D190273	Stark	May 1961
D213555	Willinger	Mar 1969
D213691	Rosenel	Apr 1969
D232027	Levin	Jul 1974
3477580	Willinger	Nov 1969
3630367	Willinger	Dec 1971
3746168	Willinger et al.	Jul 1973
3746169	Willinger et al.	Jul 1973